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Figure 3 | EPJ Quantum Technology

Figure 3

From: Faking photon number on a transition-edge sensor

Figure 3

Histogram of TES output voltage under weak-coherent laser illumination at \(1550~\text{nm}\) (red), \(780~\text{nm}\) (black), and \(450~\text{nm}\) (blue). The leftmost peak represents zero-photon detection. Subsequent peaks to the right represent higher photon number detections. These peaks appear at the voltage level proportional to the energy of the photons

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